Quadrax Beta Testing

Download Beta Builds

Get early access to Quadrax beta versions for Windows and Linux. Help us test the game and provide feedback to shape the final release.

Quadrax v0.8.0-beta — Closed Beta

Strategic Reversi with 51 ability cards — every card now has its own illustrated artwork!
This is an early beta — expect rough edges and let us know what you find!

What's new in v0.8.0: Finished art for all 51 cards, tap a card to view it full-screen, double-tap to add or remove it from your deck, plus fixes for undo corruption, AI turn order and stuck turns.

After you've played 3+ matches, fill out the full feedback survey:
🔗 forms.gle/3wAb4cB6n28JBkq1A

Release Notes

What's changed in each beta build

v0.8.0-beta September 22, 2026

Every one of the 51 cards now has finished illustrated artwork, replacing the last placeholders NEW
Tap any card to view it full-screen — readable at last on small phones NEW
Double-tap to add or remove a card from your deck, or to unlock one in the store NEW
Free to play, with a single one-time unlock for the full game NEW
Anonymous gameplay stats can now be switched off in Settings NEW
Undo no longer corrupts the board after a tile-destroying card such as VOLCANO or CRATER FIX
The AI no longer takes extra moves after playing a card FIX
Fixed turns where you could be left with no legal move and no way forward FIX
Achievement progress text corrected, and several achievements that could never be earned are now reachable FIX
Card screens use far less memory, which matters most on older devices IMPROVED

v0.7.9-beta March 4, 2026

All 51 cards now have unique visual effects — no two cards look the same NEW
AI card selection is now difficulty-aware — Hard/Impossible reads the board before choosing a card IMPROVED
BOOST card fixed — bonus points now correctly apply on your next move FIX
Card hand no longer overflows into the HUD with a full deck FIX
AI thinking indicator animation fixed FIX

v0.7.8-beta February 23, 2026

Built-in feedback form — submit quick feedback directly from the end-game screen NEW
Interactive tutorial — step-by-step spotlight walkthrough, skippable, replayable from the main menu NEW
Card tooltips — hover any card to see its full effect description NEW
Fullscreen mode — toggle fullscreen in settings or with F11 NEW
VSync setting — enable or disable VSync from the settings menu NEW

v0.7.7-beta January 2026

Initial closed beta release NEW
51 unique ability cards across 5 categories NEW
4 AI difficulty levels NEW
Windows and Linux desktop builds NEW

Download Beta Builds

Choose your operating system to download the latest beta build

🪟

Windows

Download the Windows beta build. Compatible with Windows 10 and later.

Download for Windows

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Linux

Download the Linux beta build. Compatible with most Linux distributions.

Download for Linux

Installation & Usage Instructions

Download the appropriate zip file for your operating system using the buttons above.
Extract the zip file to a folder on your computer.
Run the executable:
- Windows: Double-click Quadrax.exe (or the main executable file)
- Linux: Make the executable file runnable with chmod +x Quadrax, then run ./Quadrax
Play the game and explore the beta features.
Report bugs using the feedback form built into the game, or the survey linked above.